src/apps/terminal/Colors.h

   1 /*
   2  * Copyright 2010-2013, Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Stefano Ceccherini, stefano.ceccherini@gmail.com
   7  *              Siarzhuk Zharski, zharik@gmx.li
   8  */
   9 #ifndef _COLORS_H
  10 #define _COLORS_H
  11
  12
  13 #include <InterfaceDefs.h>
  14
  15
  16 struct color_scheme {
  17         const char* name;
  18         rgb_color text_fore_color;
  19         rgb_color text_back_color;
  20         rgb_color cursor_fore_color;
  21         rgb_color cursor_back_color;
  22         rgb_color select_fore_color;
  23         rgb_color select_back_color;
  24         bool operator==(const color_scheme& color);
  25 };
  26
  27 extern color_scheme gCustomColorScheme;
  28 extern const color_scheme* gPredefinedColorSchemes[];
  29
  30 const uint kANSIColorCount = 16;
  31 const uint kTermColorCount = 256;
  32
  33
  34 // Helper class handling XColorName/rgb:xxx/xxx/xxx -> rgb_color conversions.
  35 // The source of XColorNames is wide available rgb.txt for X11 System.
  36 // It is stored in "XColorsTable" application resource as array of
  37 // "hash <-> rgb_color" pairs. The table is loaded only on demand.
  38 // Name hashes must be sorted to let lookup procedure work properly
  39 class XColorsTable {
  40
  41         struct _XColorEntry {
  42                 uint32          hash;
  43                 rgb_color       color;
  44         };
  45
  46 public:
  47                                                         XColorsTable();
  48                                                         ~XColorsTable();
  49
  50         status_t                                LookUpColor(const char* name, rgb_color* color);
  51 private:
  52         status_t                                _LoadXColorsTable();
  53         uint32                                  _HashName(const char* name);
  54
  55         const _XColorEntry*             fTable;
  56         size_t                                  fCount;
  57 };
  58
  59 extern XColorsTable gXColorsTable;
  60
  61 #endif // _COLORS_H